// 云函数入口文件
const cloud = require('wx-server-sdk')
 
cloud.init({
  env: 'cloud1-9gsm45y73efcec44'
})
 
const db = cloud.database()
const _ = db.command
// 云函数入口函数
exports.main = async (event, context) => {
  const wxContext = cloud.getWXContext()
  return await db.collection('chucun').where({
       //查找依据字段
  }).orderBy('1', 'desc').skip(event.skip).limit(1).get()
}